BUF12840

所属类别：LCD-伽马缓冲器
产品名称：12 通道伽玛缓冲器，带两个存储器组
厂商：TI
生产批号：09+
封装：24VQFN
库存状态：有库存
库存量：4020
最低订购量：1
详细资料：

Product Introduction

The programmable BUF12840 gamma channel provides 12 reads with external electrically erasable programmable read-only memory (EEPROM) capability.

Two separate BUF12840 memory banks can store two different gamma curves at the same time to facilitate switching between gamma curves.

All gamma channel rail-to-rail outputs are available, with typical 200mV swing with 5mA or supply rail load.Standard operation up to 400kHz and high-speed data transfer up to 3.4MHz are supported using all channel line interface programming.

Produced BUF12840 using Texas Instruments' proprietary, state-of-the-art, high-voltage CMOS process.This process provides very dense logic operation and a high supply voltage of 20V.

In the "Data Table Views" full description

Device application

TFT-LCD参照驱动程序

characteristic

Digital resolution
12-CHANNEL P-GAMMA
Read from external EEPROM
Two independent PIN-SELECTABLE memory banks
Rail-to-Rail Output:
- 300mV min Swing-to-Rail (condition)
- (5mA Swing-to-Rail 200mV min)
Low supply current
For supply voltage: because 20V
5.5V Digital Supply: 2V,
Interface of 400kHz wire: support and 3.4MHz operation

ICs related to BUF12840 include:

Model	Manufacturers	lot number	encapsulation	illustrate
Q22FA2380128400	EPSON	15+	SMD4	FA-238 25 MHZ 12.0PF 3225 Crystal Oscillator
BUF12840AIRGET	TI	11+	VQFN-24	Gamma LCD/TFT Correction Voltage Buffer Amplifiers 12 Channel Gamma Buffer
BUF12840	TI	09+	24VQFN	12-channel gamma buffer with two memory groups

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